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Kol'tso No. 2L

Re-entered 2 Sep 1997

Kol'tso No. 2L (NORAD 20389, COSPAR 1989-100A) was a SU satellite that re-entered Earth's atmosphere on 2 Sep 1997, launched on 27 Dec 1989 on the Kol'tso No. 2L mission. It was operated by PVO as part of the Koltso programme. The spacecraft was built by YUZH on the Kol'tso bus, with a mass of 1,450 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1989
launched
1997
re-entered
8
years on orbit
1,450
kg mass

Lifecycle

Launched27 Dec 1989 · on the Kol'tso No. 2L mission
Operational1 Nov 1991 · entered service
Retired1 Nov 1991 · end of operational service
Re-entered2 Sep 1997 · atmospheric re-entry — object destroyed

Specifications

NORAD ID20389
COSPAR1989-100A
TypeSatellite
OperatorPVO
Country / StateSU
ManufacturerYUZH
BusKol'tso
Mass1,450 kg
ProgrammeKoltso
CategoryCAL
OrbitLEO (LLEO/I)
Altitude518 × 531 km
Inclination73.5°

Frequently asked questions

What happened to Kol'tso No. 2L?

Kol'tso No. 2L re-entered Earth's atmosphere on 2 Sep 1997, ending a mission that began with its launch in 1989. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Kol'tso No. 2L re-enter the atmosphere?

Kol'tso No. 2L re-entered on 2 Sep 1997, according to Orbital Radar's historical catalogue records.

Who operated and built Kol'tso No. 2L?

Kol'tso No. 2L was operated by PVO and built by YUZH (SU).

Launched together

ESORe-entered 1991ESORe-entered 1991ESORe-entered 1991ESORe-entered 1991ESORe-entered 1991ESORe-entered 1991ESORe-entered 1991ESORe-entered 1991
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.